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  1. #1
    WATER WOODY's Avatar
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    Prop Survey..........

    Single pipe 1300/1390 ported...EFI/carb

    Please list:

    motor size
    efi/carb
    prop
    prop bend/setback
    rpm
    speed

    This is just a survey guys.....


  2. #2
    WATER WOODY's Avatar
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    06' 1390 EFI single pipe: both w/800 grates
    WINTER:

    DF 14/24 setback .050
    7180 rpm
    80.1 in winter, average 79.4

    SUMMER:

    DF 14/23 setback .050
    7190 rpm
    78.9 in heat,average 78.5
    Last edited by WATER WOODY; 06-23-2008 at 11:09 PM.

  3. #3
    Moderator OsideBill's Avatar
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    Single 1300
    Carb
    Dynafly
    14/24
    7150
    76.7

  4. #4
    Happily Self-Employed WFO's Avatar
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    Quote Originally Posted by WATER WOODY View Post
    Single pipe 1300/1390 ported...EFI/carb

    Please list:

    motor size
    efi/carb
    prop
    prop bend/setback
    rpm
    speed

    This is just a survey guys.....
    Summer
    1300 non-ported
    EFI
    Dynafly bent waffle
    14/24 .050
    7280
    78+ w/800 grate

    Summer
    1300 ported
    EFI
    Dynafly pinwheel
    14/25 .050
    7150
    80+ w/800 grate

  5. #5
    WATER WOODY's Avatar
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  6. #6
    OLD # 7 IEGPR's Avatar
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    Rialto CA
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    Quote Originally Posted by WATER WOODY View Post
    Single pipe 1300/1390 ported...EFI/carb

    Please list:

    motor size 1300
    efi/carb EFI
    prop 14/20 DF
    prop bend/setback THIS IS WHERE I NEED HELP, 0 I THINK
    rpm ON THE LIMITER, I NEED MORE PITCH
    speed 73.6 at the Bug

    This is just a survey guys.....
    School me on setback please

    Hey Rich, whats a DF pinwheel

  7. #7
    WATER WOODY's Avatar
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    Quote Originally Posted by IEGPR View Post
    School me on setback please

    Hey Rich, whats a DF pinwheel

    check pm

  8. #8
    Moderator OsideBill's Avatar
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    Quote Originally Posted by IEGPR View Post
    School me on setback please

    Hey Rich, whats a DF pinwheel

    Setback is where they machine the rear side of your impeller hub to allow it to sit closer to the stator veins.

    Rich is going to have to cough up the Jargin on "waffles" and "pinwheels". Sounds like a breakfast gone bad.

  9. #9
    OCFZR's Avatar
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    I think exit nozzle size should be included!

  10. #10
    Duke's Avatar
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    405
    unported 1200
    carb
    14-22 DF
    .050
    7240-60
    74-75 depending on setup

    ported 1300
    carb
    15-26 DF
    .050
    7200-30
    79-81 depending on setup

    ported 1300
    carb
    14-24 DF
    .050
    7330-60
    78-79 drag setup

    All numbers are hot and usually air temps are 90 or greater.

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